Regular mammography among women 80 years of age was associated with earlier disease stage, although improved survival remains difficult to demonstrate.

常规钼靶检查与早诊相关，尽管其是否改善生存仍难以证实。

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Although improved efficiency in converting harvested trees into wood products may reduce harvest rates, it will stimulate demand by increasing supply and lowering prices, thereby boosting consumption.

虽然提高砍伐树木转化为木材产品的效率可能会降低收获率，但它将通过增加供应和降低价格来刺激需求，从而促进消费。

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Although security in Iraq has improved during this time, apparently the lives of most of these homeless people have not.

VOA: standard.2009.09.20

Although consumer spending improved slightly in January, economist Diane Swonk says housing sales remained anemic.

VOA: standard.2010.03.02

Although there is mounting evidence to suggest workers are becoming more organized and sophisticated at collective bargaining for improved welfare, it is unlikely the government would ever allow the situation to get out of hand.

VOA: standard.2010.06.24

"Although improved, the university's financial health still remains precarious, and further efforts are needed to ensure that the improvement continues, " it said.

BBC: Cambridge has launched a fund-raising drive

Romney and Ryan won all three debates, although Obama improved some in the 2nd debate.

FORBES: The Body Language Winner Of The Second Presidential Debate

Although he improved on the final two days, hitting a 69 on the Saturday, he could not deny Kaymer his maiden title.

BBC: Germany's Martin Kaymer wins European Tour money title